分类: NASA·每日一图

丹尼尔·G·尼科尔斯

In this image from February 1966, mathematician Daniel G. Nichols, who worked in the Real-Time Program Development Branch, Mission Planning and Analysis Division, is photographed at NASA’s Manned Space Center (now the Johnson Space Center) in Houston. Nichols worked for the agency more than 25 years, including in mission control during the Apollo Program. Ac...

轨道日出的第一缕阳光

This image from January 2022 shows the first rays of an orbital sunrise as seen from the International Space Station as it orbited 257 miles above the coast of Venezuela. As the station orbits the Earth, completing one trip around the globe every 92 minutes, the astronauts experience 15 or 16 sunrises and sunsets every day. 这张2022年1月的照片显示了国际空间站在委内瑞拉海岸上空257英里...

暗黑模式开启!

As NASA prepares to send astronauts to the Moon’s South Pole under Artemis, divers at the Neutral Buoyancy Laboratory (NBL) in Houston are setting the stage for future moonwalk training by simulating lunar lighting conditions. At the Moon’s South Pole, the Sun will remain no more than a few degrees above the horizon, resulting in extremely long and dark shad...

气候科学家克里斯蒂安·布拉尼恩博士

Dr. Christian Braneon, a climate scientist at NASA’s Goddard Institute for Space Studies (GISS) in New York City, presents data visualizations and the state of current satellite missions to Vice President Kamala Harris on Nov. 5, 2021, at the NASA Goddard Space Flight Center in Greenbelt, Maryland. 克里斯蒂安·布拉尼恩博士是NASA戈达德空间研究所(GISS)驻纽约的气候科学家,他于2021年11月5日在...

生命之轻:纪念哥伦比亚号航天飞机及其机组人员

The bright Sun dissects the airglow above Earth’s horizon in this view photographed with a digital still camera from the space shuttle Columbia during the STS-107 mission. 在STS-107任务期间,从哥伦比亚号航天飞机上用数码相机拍摄到的这一景象中,明亮的太阳分割了地球地平线上的气辉。 Columbia and the STS-107 crew perished during re-entry on Feb. 1, 2003. 哥伦比亚号和STS-107机组人员在2003年2月1日重返大气层时遇难。 Day of Remembra...

了解海水如何融化冰川

To learn how ocean water is melting glaciers, NASA’s Oceans Melting Greenland mission extensively surveyed the coastline of the world’s largest island. The airborne mission found that Greenland’s glaciers that empty into the ocean, like Apusiaajik Glacier shown here, are at greater risk of rapid ice loss than previously understood. 为了了解海水是如何融化冰川的,NASA的...

纪念挑战者号和她的机组人员

In this image taken in 1985, four members of the Challenger STS-51L crew – Michael J. Smith, left, Ellison S. Onizuka, Judith A. Resnik, and Francis R. “Dick” Scobee – train on the flight deck of the shuttle crew compartment. 在1985年拍摄的这张照片中,挑战者号STS-51L机组的四名成员——迈克尔·J·史密斯(左)、埃里森·S·奥尼苏卡、朱迪思·A·雷斯尼克和弗朗西斯·R·迪克·斯科比在航天飞机机组人员舱的飞行甲板上接受训练。 Just 73 seconds after launch ...

纪念阿波罗1号

In this June 1966 photo, the Apollo 1 crew practices water egress procedures with a full scale boilerplate model of the spacecraft. In the water at right are astronauts Ed White and Roger Chaffee (foreground). In raft near the spacecraft is astronaut Gus Grissom. NASA swimmers are in the water to assist in the practice session that took place at Ellington AF...

水的颜色

Much like the sky, rivers are rarely painted one color. Rivers around the world appear in shades of yellow, green, blue, and brown—and subtle changes in the environment can alter their colors. 就像天空一样,河流很少被涂成一种颜色。世界各地的河流呈现出黄色、绿色、蓝色和棕色的色调——环境的细微变化会改变它们的颜色。 New research shows the dominant color has changed in about one-third of large rivers in the continental U...

X-59风洞测试在NASA格伦研究中心进行

This colorized schlieren image is of a small-scale model of NASA’s X-59 Quiet SuperSonic Technology (QueSST) airplane taken inside NASA Glenn Research Center’s 8- by- 6-foot Supersonic Wind Tunnel during a recent boom test. The multiple-week campaign produced data sets and shockwave visuals that engineers from the agency’s Commercial Supersonic Technology pr...